Lap top desk



FIG. 1 is a top view of a lap top desk showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image; and,

FIG. 4 is a front, top and left side perspective view thereof. 

The ornamental design for a lap top desk, as shown and described. 